Home / 15,067.32-20,786.58-10,343.40

Finding the Fourth Proportional to 15,067.32, 20,786.58 and 10,343.40

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Solution

The fourth proportional to 15,067.32, 20,786.58 and 10,343.40 is: 14,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067.32 : 20,786.58 = 10,343.40 : x
  2. Step 2: Convert to fraction form
    15,067.32/20,786.58 = 10,343.40/x
  3. Step 3: Cross multiply
    15,067.32x = 20,786.58 × 10,343.40
  4. Step 4: Simplify right side
    15,067.32x = 215,003,911.57
  5. Step 5: Solve for x
    x = 215,003,911.57/15,067.32
  6. Step 6: Final answer
    x = 14,269.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.